baber/WOPTO huggingface dataset:
Patent GB-1055212-A (GB)
Title: 1,2,3-benzotriazine-3h,4-ones
IPC: C07D253/08
Filed: 1964-08-11
Abstract: The invention comprises compounds of the general formula <FORM:1055212/C2/1> wherein R is a straight or branched chain alkyl group containing more than two carbon atoms, an alkoxyalkyl or haloalkyl group containing two or more carbon atoms, or an aralkyl group which may be optionally substituted by one or more halogen atoms, alkyl or alkoxy groups, and the preparation thereof by one of the following methods:-  (a)  Reaction of a substituted anthranilamide of the formula <FORM:1055212/C2/2> with nitrous acid or a source of nitrous acid, preferably in an aqueous acidic medium. (b)  Reaction of an anthranilate of the formula <FORM:1055212/C2/3> (in which Alk is a lower alkyl group) with nitrous acid or a source of nitrous acid, the resulting diazonium salt being reacted with an amine of the formula H2N-R; this reaction is preferably carried out in an aqueous acidic medium.  (c)  Reaction of a 1,2,3-benzotriazine-3H-4-one of the formula <FORM:1055212/C2/4> with a compound of the formula R-Hal (in which Hal is a halogen atom), in the presence of a hydrogen halide-binding agent, e.g. an alkali.  (d) For the preparation of compounds of Formula I in which R is a haloalkyl group containing 2 or more carbon atoms, reaction of a 1,2,3-benzotriazine-3H-4-one derivative of the formula <FORM:1055212/C2/5> (in which R1 represents a hydroxyalkyl group containing 2 or more carbon atoms) with a halogenating agent, e.g. a phosphorus halide or thionyl halide.  Pharmaceutical compositions having antiphlogistic, antipyretic, analgesic, and/or sedative action for oral, rectal or parenteral administration comprise a compound of the first general formula above in association with a pharmaceutical carrier or excipient.
Patent GB-779067-A (GB)
Title: An arrangement for controlling the speed of a cutting machine by the rate of feeding material
IPC: B26D5/22
Filed: 1954-11-11
Abstract: 779,067. Cutting extruded gunpowder cord &c. into lengths. FRANCAIS, ETAT. Nov. 11, 1954 [Nov. 12, 1953; Nov. 2, 1954], No. 32737/54. Class 87(2). If the output of the extrusion machine 1, Fig. 1, momentarily increases, the length of extruded material 2 between the machine 1 and the cutting machine 3, and therefore its weight, also increases. An arm 7 is therefore depressed and, pivoting about 8, causes a piston 12 to move in a direction to increase the air supply to the cutting machine, which thus speeds up in response to the higher output. In a more sensitive arrangement, shown in Fig. 2, air, some of which flows to the cutting machine through the inlet 23 and outlet 26, is also directed by pipes 22 and 18 to the upper side of a diaphragm 30 forming the bottom of a chamber 29. If the weight of extruded material 2 decreases the arm 6 sinks and a needle 16 reduces the area of an outlet port 17, whereby more air is directed into the pipe 18 and the pressure in the compartment 29 rises. The supply pressure below a piston 32, suitably balanced by a spring 31, is then insufficient to hold up the piston, and as the diaphragm 30 depresses the piston it partially closes the opening 26 to the cutting machine which therefore slows down in correspondence with the lessened output. Adjustment is possible by means of a balance weight or spring 15 on the lever arm and by needle valves 24, 25. Air leakage into the space below the diaphragm escapes through a port 33. Instead of the extruded material resting on a roller at the end of a balanced arm, the roller may be supported by a plunger which is partly immersed in liquid, e.g. mercury, contained in a tube. The position of the plunger then varies with the weight of extruded material and its movement regulates the air supply as above. Instead of the extruded material depressing an arm or plunger by its weight resting on a roller, it may be passed through a hook or eye at the end of a wire which forms an adjustable extension of a pivoted lever which operates a piston, diaphragm or plunger as above.
Patent GB-325237-A (GB)
Title: Improvements relating to anti-dazzle windscreens or the like
IPC: B60J3/00
Filed: 1928-11-09
Abstract: 325,237. Turner, J. Nov. 9, 1928. No Patent granted (Sealing fee not paid). Anti-dazzle screens.-In a vehicle windscreen, window or similar framed glass structure of the kind in which a compound sheet is employed comprising two sheets a, b of glass with an interposed sheet of celluloid c, an anti-dazzle element c<2> is formed as a strip on the intermediate sheet or forms a separate portion of the intermediate sheet. In the construction shown a separate strip c<2> of a transparent anti-dazzle material extends for a small depth across the entire width of the windscreen A and above the celluloid sheet c, thus serving for the use of both driver and passengers. The strips c<2> may, however, be formed by painting on the intermediate sheet c, and it may extend across any desired portion or width of the screen A. Specification 237,379, [Class 20 (iii), Doors &c.], is referred to.
Patent GB-1105237-A (GB)
Title: Conessine derivatives
IPC: C07J71/00
Filed: 1966-07-22
Abstract: The novel steroids 9a -hydroxyconessine and 12a -hydroxyconnesine are prepared by microbiological hydroxylation of conessine with enzymes of Botryodiplodia theobromae Pat. They may be converted to acid-addition salts and quaternary ammonium compounds, and they may be separated via the hemi-succinate of the 12a -ol which is formed at pH 9.5, unlike the 9a -ol which does not form such a salt.  The 12a -ol may be oxidized to the 12-ketoconessine and acetylated to the 12a -acetoxy-conessine. The 9a -ol may be dehydrated to D 9(11)-conessine, which is also prepared by dehydration of 11a -hydroxy-conessine. The 9a -ol may be hydrogenated to 9a  - hydroxy - 3b  - dimethylaminoconanine which is also prepared by hydrogenating 11a  - hydroxy - conessine to 11a  - hydroxy - 3b -dimethylaminoconanine, dehydrating this to 3b  - dimethylamino - D 9(11) - conenine, oxidizing this to 3b -dimethylamino-9a ,11a -epoxy-conanine 3-N-oxide and reducing this.  Quaternary ammonium derivatives of the steroids of the invention, which are stated to be useful as muscular relaxing agents, may be made up into pharmaceutical compositions with suitable carriers. Suitable quaternizing agents are the esters of aliphatic and araliphatic alcohols with strong acids.
Patent GB-840054-A (GB)
Title: A device for generating power gases for driving power plants such as turbines
IPC: F23R3/04
Filed: 1957-10-22
Abstract: 840,054. Generating combustion products under pressure. BENDIX AVIATION CORPORATION. Oct. 22, 1957 [Nov. 19, 1956], No. 32972/57. Class 51 (1). [Also in Group XXVI] Combustion equipment particularly suitable for generating hot combustion gases for driving the turbine of a turbine-type starter, comprises a combustion chamber having an outer wall and an inner flame tube having a truncated conical section in which the fuel supply means is mounted and a short substantially cylindrical section extending from the larger diameter end of the conical section, air being supplied into the flame tube by first supply means in the conical section and by second supply means downstream of the first air supply means, the second supply means including tubes extending into the space within the cylindrical section and being arranged to direct air towards the first air supply means. The apparatus shown is a turbine starter comprising combustion equipment combined with a turbine wheel 17. The combustion apparatus comprises two blocks 13, 23 which co-operate to provide an annular chamber 25 to which air under pressure is supplied through reducing nozzles 21 in the block 23. A baffle plate 27 is disposed in the chamber 25, and two rings of orifices 29 are provided in the block 13 to provide air outlets from the chamber into the annular space 31 formed between the flame tube 33 and the outer wall 34. The flame tube comprises a sharply divergent upstream portion and a substantially cylindrical downstream portion. Two rings of oppositely directed louvres 35, 37 are formed in the conical portion of the flame tube, also two rows of the orifices 39, air entering the flame tube through the louvres and orifices from the annular space 31. Air also enters the flame tube through inlet pipes 41 which are mounted in a ring 42 supported in the cylindrical portion of the flame tube. The pipes 41 are inclined with respect to a plane normal to the axis, also with respect to radial lines. Fuel is supplied through an injection nozzle 51 and ignition is caused by means of an igniter device 57, 59. The downstream end of the combustion chamber is closed by a dished plate 71 and gases discharge through nozzles 75 in the nozzle structure 73 on to the blades of the turbine rotor 17.
Patent GB-364736-A (GB)
Title: Improvements in or relating to electrically driven clocks
IPC: G04C3/06
Filed: 1930-11-03
Abstract: 364,736. Electric clocks. HALLE, M. A., 42, Bloomsbury Street, London. Nov. 3, 1930, No. 33012. [Class 139.] In an electric clock in which a contact pin carried by a coil on the balance wheel shaft advances directly the ratchet wheel driving the train, a second ratchet wheel coaxial with but slightly staggered relatively to the driving ratchet acts in conjunction therewith to effect the intermittent energizations of the coil. The clock train is geared to a wheel 11 mounted on a spindle 1 which also carries a ratchet wheel 2, Fig. 2, and another similar ratchet wheel 3, insulated therefrom by a washer 5, and carrying a star wheel 4 engaged by a light spring 6 fixed to but insulated from the framework B at 7. The balance wheel G and coil 9 are mounted in a frame D carried by the poles of a horseshoe magnet C, Fig. 1. In operation, the circuit of the coil is made on the forward oscillation thereof, through lead H, spring 6, star wheel 4, ratchet wheel 3, the coil pin 10 (which engages ratchet wheel 3, Fig. 3), the coil 9 and lead J. The pin 10 advances the ratchet wheels one tooth, the spring 6 yielding and engaging in the next tooth. On the return oscillation of the balance wheel, the pin 10 engages a tooth of the ratchet wheel 2, thereby de-energizing the coil 9. The spring 6 yields slightly to allow the pin 10 to pass under the corresponding tooth of wheels 2 and 3 into the next gap when the forward oscillation again commences. The clock may be driven by direct current with a choke or through a transformer by alternating mains current.
Patent GB-1147033-A (GB)
Title: Fuel cell
IPC: H01M8/00
Filed: 1966-07-22
Abstract: 1,147,033. Fuel cells. YUASA BATTERY CO. Ltd., S. MAKISHIMA, and H. HIRAI. 22 July, 1966 [22 April, 1966 (2)], No. 33075/66. Heading H1B. A fuel cell has electrodes bonded to opposite sides of a solid electrolyte body by sintering, each electrode comprising a spinel made by sintering a mixture of metallic oxides at least one of which is an oxide of a metal of variable valency. The metal of variable valency may be Co, Ni, Mn, Cr or Cu and the other oxides may be one or more oxides of Mg, Al, Be, Zn or V. The electrolyte may be ZrO 2 , MfO 2 , UO 2  or ThO 2  stabilized by CaO, MgO and/or Y 2 O 3  or may be a matrix of MgO impregnated with alkali metal carbonate. The fuel may be methane, ethane, propane, heavy oil, alcohol, hydrazine or hydrogen and the oxidant: air, oxygen or hydrogen peroxide. A propane/oxygen cell with an anode consisting of a spinel MnO 2 .ZnO. Cr 2 O 3 .FeO.CuO.MgO.Al 2 O 3 , an electrolyte of ZrO 2  stabilized with CaO and as a spinel cathode of MnO 2 .NiO.CoO.Al 2 O 3 .MgO.
Patent GB-1160659-A (GB)
Title: Method for increasing production of Polyethylene in a Tubular Reactor
IPC: C08F10/00
Filed: 1968-07-11
Abstract: 1,160,659. Polymerizing ethylene. REXALL DRUG & CHEMICAL CO. 11 July, 1968 [18 July, 1967], No. 33091/68. Heading C3P. Ethylene is polymerized by a process comprising introducing ethylene at the inlet to a tubular reactor, polymerizing ethylene at an elevated temperature and pressure, at least two polymerization zones being established along the length of the reactor by the introduction of at least two mixtures of free radical initiators and each polymerization zone having a peak reaction temperature, one of said initiator mixtures being introduced at or near the inlet to the reactor and the second initiator mixture being introduced subsequent to the first polymerization zone, additional ethylene being introduced into the reactor at at least one point subsequent to the point of peak reaction temperature of the first polymerization zone but before the point at which the second initiator mixture is introduced. Polymerization may be effected in the presence of chain transfer agents, e.g. hexane or butane, and comonomers, e.g. propylene. Many suitable catalysts are listed and examples describe the polymerization of ethylene in the presence of hexane and propylene using catalyst mixtures comprising decanoyl peroxide, benzoyl peroxide, t.-butyl peracetate and di-t.-butyl peroxide.
Patent GB-693561-A (GB)
Title: Improvements in or relating to propelling pencils
IPC: B43K21/08
Filed: 1949-12-29
Abstract: 693,561. Pencil holders. BINA & BARREY, Ltd., and BARREY, T. F. H. Dec. 29, 1950. [Dec. 29, 1949] No. 33232/49. Class 146 (iii). In a propelling pencil of the type in which lead propulsion is effected by a rear cap 16 frictionally mounted on a rear part 9 rotatable relatively to a barrel 13, a split resilient sleeve 18 is fitted on a portion 9b of the part 9 and is prevented from rotating relatively to the portion 9b by a longitudinal rib 21 formed on the portion 9b and lying within a slot 19 of the sleeve 18. The rib 21 tends to press the sleeve 18 outwardly when the cap 16 is rotated, thus pressing the sleeve 18 more tightly against the inner periphery of a sleeve 17 within the cap 16. The part 9 may be in the form of a magazine for spare leads, the top end of which is closed by an india rubber 10. The sleeve 18 is prevented from axial movement by a shoulder 20 on the portion 9b and the rear end of an outer sheath 1 screwed into the barrel 13. The part 9 is secured to an inner tube 3 within a spiral 2 fixed to the sheath 1, such that rotation of the tube 3 causes axial movement of a longitudinal rod 5 carrying a lead holder 6, the rod 5 being bent at 7 so as to engage the spiral 2.
Patent GB-499536-A (GB)
Title: Improvements in short wave electron discharge devices
IPC: H01J19/34
Filed: 1937-12-01
Abstract: 499,536. Thermionic valves. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Dec. 1, 1937, No. 33256. Convention date, Dec. 1, 1936. [Class 39 (i)] A short - wave valve, especially for power amplification, comprises a cylindrical anode sealed at its ends into two glass bulbs, a cathode consisting of filaments on a cylindrical surface coaxial with the anode supported on leads sealed through one of the bulbs, a control grid supported on a conductor sealed through the other bulb, and a screen grid supported. at each end on a ring sealed through the corresponding bulb. In the arrangement shown, the anode 1 is sealed into bulbs 2, 3. The cathode 7 consists of a number of filaments looped round supports 78 carried on a rod 79, one end of each filament being connected to a collar 73 carried on a lead 70 sealed into the bulb 2 and the other to a collar 75 carried on a lead 71.. The two collars are insulated from each other by a ring 77, and the rod 79 slides in the collar 75, the filaments being tensioned by a spring 81. The screen grid 6 is mounted in two collars 60, 61, the collar 61 being mounted on a tubular conductor 63 sealed into the bulb 3. The screen grid 5 is mounted on conical members 54, 55 secured to cylindrical conductors 50, 51. The conductor 50 is secured to a ring 52 sealed into the bulb 2 and the conductor 51 slides in a ring 53 sealed into the ball 3 and is connected thereto by a flexible connection 56. The anode is cooled by water entering a jacket 85, flowing between the anode surface and a cylinder 83, and leaving by a jacket 86. The rings 52, 53 may be connected by a conducting screen and an arrangement of two valves in such a screen is described.
Patent GB-1359558-A (GB)
Title: Treatment of glass fibres
IPC: C03C25/28
Filed: 1971-07-15
Abstract: 1359558 Coating glass fibres FIBREGLASS Ltd 11 July 1972 [15 July 1971] 33349/71 Heading B2E [Also in Divisions C3 and D1] Glass fibres are sized by coating with aqueous size compositions comprising (1) a film forming agent in the form of a polymer dispersion of cationic character wherein at least 90 per cent of the polymer is formed of units derived from vinyl acetate, the cationic character having been conferred during formation of the polymer dispersion by emulsion polymerisation, and (2) a silane. The polymer dispersion may be prepared by emulsion polymerisation of vinyl acetate in presence of a cationic surfactant, e.g. long chain amines quaternary ammonium salts and imidazolines, or by copolymerisation of vinyl acetate with a cationic monomer, e.g. dimethylaminoethyl methacrylate or a quarternary ammonium ester of an unsaturated acid, in the presence of a non- ionic surfactant. The silane may be a vinyl trialkoxysilane, methacrylic functional silane, epoxy silane or amino silane. Exemplified aqueous sizes comprise vinyl acetate/dimethylaminoethyl methacrylate copolymers together with (I) vinyl tris(methoxyethoxy) silane and gamma-aminopropyl triethoxysilane, (2) poly (glycoladipate) plasticiser and glycidyloxy propyl trimethoxy silane, (3) methacryloxypropyl trimethoxy silane and polyoxyethylene sorbitan monolaurate, and (5) methacryloxypropyl trimethoxy silane, polyoxyethylene sorbitan monolaurate and mono(dimethylaminoethyl) maleate quaternised with p-dodecylbenzyl halide; and comprise polyvinyl acetate together with (4) quarternary ammonium surfactant, epoxidised soya bean oil and methacryloxypropyl trimethoxysilane.
Patent GB-170509-A (GB)
Title: An automatic length adjusting means particularly applicable to valve stems, tappets,and other reciprocating parts of machinery and the like
IPC: F16K31/50
Filed: 1920-11-26
Abstract: 170,509. Hamilton, W. Nov. 26, 1920. Spindles.-Relates to an automatic adjusting or compensating device for valve stems, reciprocating push or tension rods, or tappetpieces in mechanism used to transmit intermittent thrusts. The device comprises a spring-actuated adjusting - element 3, 4 mounted on a double (right and left handed) thread 2 on one thrust element 1, or part of valve stem; the upper flange 3 moves between two limiting abutments 9, 12 formed, as shown, rigid with a part 8 interposed between the said thrust element 1 and the next transmission element or part of valve stem 10. The movements of the adjusting element 3, 4 are controlled by a second spring 14, arranged as shown; the two parts 3, 4 are engaged together by dog-clutch parts 5, 6. In the event of a gap occurring below the part 10, by distortion or wear, or otherwise, the spring 14 will raise the part 8 until the abutment 12 touches the flange 3. The spring 7 thereupon causes the parts 3, 4 to turn and move up and down the threads 2, respectively. This action brings the part 8 again into contact with the stem 10 and restores equilibrium until another change in the length of the stem 10 necessitates another adjustment, which takes place automatically as before.
Patent GB-386764-A (GB)
Title: Improvements relating to electrical systems for transmitting and/or relaying speech or low frequency currents
IPC: H04B3/30
Filed: 1931-12-03
Abstract: 386,764. Inductances. SIEMENS BROS. & CO., Ltd., Caxton House, Tothill Street, London, and GRINSTED, W. H., Under the Plane, London Lane, Bromley, Kent. Dec. 3, 1931, No. 33539. [Class 37.] Pairs of air-cored chokes for connection one in each leg of a transmission line sc that the combinatior is non-inductive as regards loop currents are wound with each turn of one as close as possible to the corresponding turn of the other, e.g. by using bifilar wire. As shown four pairs are formed as a single structure built up from thick and thin washers 16, 17 clamped between cheeks 15. The unit rests on stepped portions of the side walls of a pot 3 closed by a plate 12 provided with a pair of holes fitted with screw plugs, and a second pair, through which the line wires pass, having insulating bushes.
Patent GB-1039919-A (GB)
Title: Improvements in or relating to musical instruments
Inventor: CSER KAROLY
IPC: G10C3/00
Filed: 1964-08-17
Abstract: 1,039,919. Musical instruments. BACSKISKUN MEGYEI FINOMMECHANIKAI VALLALAT. Aug. 17, 1964, No. 33545/64. Heading G5J. In a keyboard-type musical instrument the sound-producing members or strings are wires or strips 9, Fig. 1, of rectangular or other non- circular cross-section which are bent into U- shapes with unequal legs, the shorter of each of the said legs being secured by means of a conical plug 14 in a support block 13. A hammer 6 rises when a key 2 is depressed and strikes the longer leg of a string 9, the plane of its movement not being parallel to an axis of symmetry of the cross-section of the string, so that if the said cross-section is rectangular the string 9 will be struck edgewise (Fig. 3). The keys 2 are provided with dampers 12 and lifters 4, the latter co-operating with release means 5 on the hammers 6. The support block 13 is mounted on a frame 7 and also carries movable microphones 10 disposed between the strings 9. In another embodiment (Fig. 2 not shown), the microphones are movable by a pedal 15 and another pedal 16 is operated to remove sound dampers 17 from the strings 9.
Patent GB-948870-A (GB)
Title: Improvements in or relating to propellants
IPC: C06B27/00
Filed: 1958-10-21
Abstract: A propellant comprises at least 20% by weight of an oxygen-free endothermic compound which yields decomposition products in the form of gases having high gas constants, together with a conventional propellant and/or explosive which contains more than one carbon atom in the molecule and which has a balanced oxygen content or an oxygen deficit.  Suitable endothermic compounds are unsaturated aliphatic hydrocarbons (with the exception of acetylene), for example 1,3-butadiene or cyclopentadiene, anhydrous hydrazine, boron or lithium hydrides, pinene, carbazole and diphenylamine. The propellant may also include urea or an aromatic substitution product thereof as a stabilizer, nitroglycerine as an activator, or mercury fulminate (alone or mixed with potassium chlorate) or lead azide as a primer.
Patent GB-767959-A (GB)
Title: Improvements in and relating to the measurement of concentration of oxygen in a liquid
Inventor: JESSOP GILBERT
IPC: G01N27/416
Filed: 1953-12-03
Abstract: 767,959. Electric tests. CAMBRIDGE INSTRUMENT CO., Ltd. Dec. 3, 1954 [Dec. 3, 1963], No. 33671/53. Class 37. The oxygen content in a flow of liquid such as boiler feed water is obtained by measuring the difference between the currents flowing between each of two pairs of voltage-fed electrodes immersed in the liquid. In Fig. 2 each pair of electrodes 8, 15 and 9, 16 comprises a mercury pool cathode and a silver anode. The electrode pairs 8, 15 and 9, 16 are connected in opposition through a galvanometer 35 and using fixed voltage sources 30, 34 (and associated resistors) if a change occurs in oxygen content in the boiler feed water the current between one pair of electrodes fed with 0.8 volts changes substantially whilst the current between the other pair of electrodes fed with 0.3 volts remains constant or changes to a very small extent. The galvanometer 35 thus indicates oxygen content and is unresponsive to impurities such as iron or copper since these produce practically the same current between electrodes 8, 15 and 9, 16 (irrespective of the different applied voltages) and these currents are in opposition and cancel out. The Specification includes a constructional drawing, Fig. 1 (not shown), showing (i) the housing of the electrode pairs in separate vessels, (ii) means for removing the surface contamination on the mercury pool cathode, (iii) calibration checking equipment wherein oxygen is added to a known flow of water by means of electrolysis of the water by a known current.